// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_APP_LIST_SEARCH_BOX_MODEL_OBSERVER_H_
#define UI_APP_LIST_SEARCH_BOX_MODEL_OBSERVER_H_

#include "ui/app_list/app_list_export.h"

namespace app_list {

class APP_LIST_EXPORT SearchBoxModelObserver {
public:
    // Invoked when icon is changed.
    virtual void IconChanged() = 0;

    // Invoked when the some properties of the speech recognition button is
    // changed.
    virtual void SpeechRecognitionButtonPropChanged() = 0;

    // Invoked when hint text is changed.
    virtual void HintTextChanged() = 0;

    // Invoked when selection model is changed.
    virtual void SelectionModelChanged() = 0;

    // Invoked when text is changed.
    virtual void TextChanged() = 0;

protected:
    virtual ~SearchBoxModelObserver() { }
};

} // namespace app_list

#endif // UI_APP_LIST_SEARCH_BOX_MODEL_OBSERVER_H_
